[INFO] cloning repository https://github.com/wpovell/img-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wpovell/img-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwpovell%2Fimg-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwpovell%2Fimg-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 88f0e2751199b6496e26e9fc0f6541017533bb81 [INFO] testing wpovell/img-rs against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwpovell%2Fimg-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wpovell/img-rs on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wpovell/img-rs [INFO] finished tweaking git repo https://github.com/wpovell/img-rs [INFO] tweaked toml for git repo https://github.com/wpovell/img-rs written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/wpovell/img-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5ea362b920c018b248bab9255dcbeeec03ac7accf3e93e3b41949d9f3332fc46 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5ea362b920c018b248bab9255dcbeeec03ac7accf3e93e3b41949d9f3332fc46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ea362b920c018b248bab9255dcbeeec03ac7accf3e93e3b41949d9f3332fc46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ea362b920c018b248bab9255dcbeeec03ac7accf3e93e3b41949d9f3332fc46", kill_on_drop: false }` [INFO] [stdout] 5ea362b920c018b248bab9255dcbeeec03ac7accf3e93e3b41949d9f3332fc46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 58486f8c82e2ac92cf69fa9b5e731d0fa537f3c6a90be35dcbb6d7005ce736ba [INFO] running `Command { std: "docker" "start" "-a" "58486f8c82e2ac92cf69fa9b5e731d0fa537f3c6a90be35dcbb6d7005ce736ba", kill_on_drop: false }` [INFO] [stderr] Compiling img v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/png/crc.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | (v >> 1) [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/png/chunk/ihdr.rs:11:45 [INFO] [stdout] | [INFO] [stdout] 11 | type Result = std::result::Result>; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/png/chunk/mod.rs:12:45 [INFO] [stdout] | [INFO] [stdout] 12 | type Result = std::result::Result>; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/png/chunk/mod.rs:20:40 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn parse(buf: &[u8]) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Chunk` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/png/err.rs:38:32 [INFO] [stdout] | [INFO] [stdout] 38 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/png/mod.rs:15:45 [INFO] [stdout] | [INFO] [stdout] 15 | type Result = std::result::Result>; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/png/mod.rs:22:21 [INFO] [stdout] | [INFO] [stdout] 22 | chunks: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn chunk::Chunk` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/png/mod.rs:30:24 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn parse(buf: &mut Read) -> Result { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> src/png/chunk/ihdr.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | width: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> src/png/chunk/ihdr.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | height: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `bit_depth` [INFO] [stdout] --> src/png/chunk/ihdr.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | bit_depth: u8, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `color_type` [INFO] [stdout] --> src/png/chunk/ihdr.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | color_type: ColorType, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `interlace` [INFO] [stdout] --> src/png/chunk/ihdr.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | interlace: InterlaceMethod, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.92s [INFO] running `Command { std: "docker" "inspect" "58486f8c82e2ac92cf69fa9b5e731d0fa537f3c6a90be35dcbb6d7005ce736ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58486f8c82e2ac92cf69fa9b5e731d0fa537f3c6a90be35dcbb6d7005ce736ba", kill_on_drop: false }` [INFO] [stdout] 58486f8c82e2ac92cf69fa9b5e731d0fa537f3c6a90be35dcbb6d7005ce736ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d830a702d637092eff60f7b805f7edc3fc98c2bbfc60871e10a6362962d086a0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d830a702d637092eff60f7b805f7edc3fc98c2bbfc60871e10a6362962d086a0", kill_on_drop: false }` [INFO] [stderr] Compiling img v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/png/crc.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | (v >> 1) [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/png/chunk/ihdr.rs:11:45 [INFO] [stdout] | [INFO] [stdout] 11 | type Result = std::result::Result>; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/png/chunk/mod.rs:12:45 [INFO] [stdout] | [INFO] [stdout] 12 | type Result = std::result::Result>; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/png/chunk/mod.rs:20:40 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn parse(buf: &[u8]) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Chunk` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/png/err.rs:38:32 [INFO] [stdout] | [INFO] [stdout] 38 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/png/mod.rs:15:45 [INFO] [stdout] | [INFO] [stdout] 15 | type Result = std::result::Result>; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/png/mod.rs:22:21 [INFO] [stdout] | [INFO] [stdout] 22 | chunks: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn chunk::Chunk` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/png/mod.rs:30:24 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn parse(buf: &mut Read) -> Result { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> src/png/chunk/ihdr.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | width: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> src/png/chunk/ihdr.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | height: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `bit_depth` [INFO] [stdout] --> src/png/chunk/ihdr.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | bit_depth: u8, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `color_type` [INFO] [stdout] --> src/png/chunk/ihdr.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | color_type: ColorType, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `interlace` [INFO] [stdout] --> src/png/chunk/ihdr.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | interlace: InterlaceMethod, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.05s [INFO] running `Command { std: "docker" "inspect" "d830a702d637092eff60f7b805f7edc3fc98c2bbfc60871e10a6362962d086a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d830a702d637092eff60f7b805f7edc3fc98c2bbfc60871e10a6362962d086a0", kill_on_drop: false }` [INFO] [stdout] d830a702d637092eff60f7b805f7edc3fc98c2bbfc60871e10a6362962d086a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 583d9b6f331c418d3cbeec781625a45d6afb823c6742d24dff270f88324fd5af [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "583d9b6f331c418d3cbeec781625a45d6afb823c6742d24dff270f88324fd5af", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stdout] running 1 test [INFO] [stderr] --> src/png/crc.rs:27:17 [INFO] [stdout] test png::crc::tests::simple ... ok [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 27 | (v >> 1) [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/png/chunk/ihdr.rs:11:45 [INFO] [stderr] | [INFO] [stderr] 11 | type Result = std::result::Result>; [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/png/chunk/mod.rs:12:45 [INFO] [stderr] | [INFO] [stderr] 12 | type Result = std::result::Result>; [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/png/chunk/mod.rs:20:40 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn parse(buf: &[u8]) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Chunk` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/png/err.rs:38:32 [INFO] [stderr] | [INFO] [stderr] 38 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/png/mod.rs:15:45 [INFO] [stderr] | [INFO] [stderr] 15 | type Result = std::result::Result>; [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/png/mod.rs:22:21 [INFO] [stderr] | [INFO] [stderr] 22 | chunks: Vec>, [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn chunk::Chunk` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/png/mod.rs:30:24 [INFO] [stderr] | [INFO] [stderr] 30 | pub fn parse(buf: &mut Read) -> Result { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: field is never read: `width` [INFO] [stderr] --> src/png/chunk/ihdr.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | width: u32, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `height` [INFO] [stderr] --> src/png/chunk/ihdr.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | height: u32, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `bit_depth` [INFO] [stderr] --> src/png/chunk/ihdr.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | bit_depth: u8, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `color_type` [INFO] [stderr] --> src/png/chunk/ihdr.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | color_type: ColorType, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `interlace` [INFO] [stderr] --> src/png/chunk/ihdr.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | interlace: InterlaceMethod, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `img` (bin "img" test) generated 13 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/img-4b80a20a0e61fd55) [INFO] running `Command { std: "docker" "inspect" "583d9b6f331c418d3cbeec781625a45d6afb823c6742d24dff270f88324fd5af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "583d9b6f331c418d3cbeec781625a45d6afb823c6742d24dff270f88324fd5af", kill_on_drop: false }` [INFO] [stdout] 583d9b6f331c418d3cbeec781625a45d6afb823c6742d24dff270f88324fd5af